Which of the following is used to perform dimension reduction in JMP? O Cols Distribution O Cols > New Columns O Rows Row Selection O Analysis > Distribution. O Cols Delete Columns Question 5 What is the conclusion of the preliminary analysis? O The demographic risk factors of COVID morality are male, age 70+, and Black/Multiple Non-Hispanic. O The demographic risk factors of COVID morality are male, age, and ethnicity. O The demographic risk factors of COVID morality are male, age 80+, and Black/Hispanic. O The demographic risk factors of COVID morality are gender and age. O The demographic risk factors of COVID morality are gender, age, and ethnicity. 0.2 pts